When Scott and Jack Carter have to stay with their great aunt for the summer they steel themselves for the most boring holiday ever. But then they meet Emily Wild and her loveable dog, Drift. Emily shows them the lighthouse, the castle - and the amazing whistling caves. Legend has it that when the caves stop whistling the castle will be attacked - and that's exactly what happens!

Priceless treasures are stolen and Emily and the boys are determined to investigate. But how was the treasure smuggled out of the castle? Why did the caves stop whistling? And can the friends solve the mystery in time to catch the thief?

The first in an exciting new adventure series - with five more gripping mysteries to come!

This book was recognised by the Holyer an Gof Award. It was recognised by the Lancashire School Library Services Fantastic Book Award.

This is book 1 in Adventure Island .

This book has been graded for interest at 9-11 years.

There are 144 pages in this book. This book was published 2011 by Hachette Children's Group .

SAVIOUR PIROTTA is the award-winning author of over one hundred fiction and nonfiction books for children. His works have been translated into 28 languages. Originally from Malta, he now lives in England. LEO HARTAS has been illustratting professionally for over 20 years and has developed a range of skills and talents in traditional illustration and digital painting. He has worked for a number of different publishers including BBC Worldwide, Walker Books, Macmillan's Children's Books, Random House and QED. Visit her website at www. helenmoss. org. uk and follow her on Twitter @hmadventure.